<template>
  <div class="recommend" ref="recommend">
    <scroll ref="scroll" class="recommend-content" :data="discList">
      <div>
        <div v-if="recommends.length" class="slider-wrapper">
          <slider>
            <div v-for="(item, index) of recommends" :key="index">
              <a :href="item.jumpurl" class="needsclick">
                <img class="needsclick" @load="loadImage" :src="item.pic" alt />
              </a>
            </div>
          </slider>
        </div>
        <div class="recommend-list">
          <h1 class="list-title">热门歌单推荐</h1>
          <ul>
            <li
              @click="selectItem(item)"
              v-for="(item, index) of discList"
              class="item"
              :key="index"
            >
              <div class="icon">
                <img width="60" height="60" v-lazy="item.cover" alt />
              </div>
              <div class="text">
                <h2 class="name">{{item.username}}</h2>
                <p class="desc">{{item.title}}</p>
              </div>
            </li>
          </ul>
        </div>
      </div>
      <div class="loading-container" v-show="!discList.length">
        <loading></loading>
      </div>
    </scroll>
    <router-view></router-view>
  </div>
</template>

<script>
import { getRecommend, getDiscList } from 'api/recommend'
import Slider from 'base/slider/slider'
import Scroll from 'base/scroll/scroll'
import Loading from 'base/loading/loading'
import { ERR_OK } from 'api/config'
import { playlistMixin } from 'common/js/mixin'
import {mapMutations} from 'vuex'

export default {
  mixins: [playlistMixin],
  data() {
    return {
      recommends: [],
      discList: [],
    }
  },
  created() {
    this._getRecommend()
    this._getDiscList()
  },
  methods: {
    handlePlaylist(playlist) {
      const bottom = playlist.length > 0 ? '60px' : ''
      this.$refs.recommend.style.bottom = bottom
      this.$refs.scroll.refresh()
    },
    selectItem(item) {
      this.$router.push({
        path: `/recommend/$(item.content_id)`,
      })
      this.setDisc(item)
    },
    // 获取轮播图
    _getRecommend() {
      getRecommend().then((res) => {
        if (res.code === ERR_OK) {
          console.log(res.data.slider)
        }
      })
    },
    // 获取歌单数据
    _getDiscList() {
      // 这是个调的代理接口，这里我们不用，我们用真实的qq接口
      // getDiscList().then((res) => {
      //   this.discList = res.data.list
      // })
      getDiscList().then((res) => {
        this.discList = res.recomPlaylist.data.v_hot
      })
    },
    loadImage() {
      if (!this.checkLoaded) {
        this.$refs.scroll.refresh()
      }
    },
    ...mapMutations({
      setDisc: 'SET_DISC'
    })
  },
  components: {
    Slider,
    Scroll,
    Loading,
  },
}
</script>
<style scoped lang="stylus">
@import '~common/stylus/variable'
.recommend
  position: fixed
  width: 100%
  top: 88px
  bottom: 0
  .recommend-content
    height: 100%
    overflow: hidden
    .slider-wrapper
      position: relative
      width: 100%
      overflow: hidden
    .recommend-list
      .list-title
        height: 65px
        line-height: 65px
        text-align: center
        font-size: $font-size-medium
        color: $color-theme
      .item
        display: flex
        box-sizing: border-box
        align-items: center
        padding: 0 20px 20px 20px
        .icon
          flex: 0 0 60px
          width: 60px
          padding-right: 20px
        .text
          display: flex
          flex-direction: column
          justify-content: center
          flex: 1
          line-height: 20px
          overflow: hidden
          font-size: $font-size-medium
          .name
            margin-bottom: 10px
            color: $color-text
          .desc
            color: $color-text-d
    .loading-container
      position: absolute
      width: 100%
      top: 50%
      transform: translateY(-50%)
</style>